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32 Cards in this Set

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diffusion
Is the movement of materials from an area that has a lot of the material to an area that has less of the material.
dehydration
Happens when cells lose more water than they take in.
osmosis
Is the diffusion of water through a cell membrance.
nucleus
Controls the movement of materials, since its controls all the activities of a cell.
cell membrance
Selects what passes into and out of a cell.
organ
A body structure made of different kinds of tissue that work together to do a specific job.
tissues
Group of cells with the same structure and function.
cells
The basic unit of structure and function of an organism.
blood
Fluid tissue that moves from place to place.
organism
A living thing that carries out all life functions.
system
A group of organs that work together to do a job.
cell membrance
All cells are surrounded by a __________ that controls what goes into and out of the cell.
nucleus
The ____ is the command center of a cell.
cytoplasm
Between the cell membrane and the nucleus is a thick liquid called the _______.
organelle
An ______ is any cell structure with a specific job to do.
mitochondria
_______ supply a cell with the energy it needs.
cell wall
A Protective covering around the cell.
cell theory
One of the major theories of life science.
chlorplasts
Organells that make food in plant cells.
chromosomes
Structures in the nucleus of a cell that contains the instructions that enable the nucleus to control the activities of a cell.
cytoplasm
The jelly like materials between a cell’s nucleus and its membrane.
dehydration
Loss of water.
diffusion
The movement of material into and out of a cell from an area where there is more material to an area where there is less.
mitochondria
Produce the energy a cell needs.
ribosomes
Provide the cell with protein and nutrients.
organelle
Any cell structure that has a specific job to do.
osmosis
The diffusion of water through a cell membrane.
nucleus
The control center of a cell.
Robert Hooke
Worked with a microscope in the 1600’s, was the 1st scientist to identify & name the cell.
cork
Hooke discovered cells in a piece of _____.
cell theory; 3
Hooke’s discovery led to the development of the ___________. The cell theory has____ parts.
chromosomes
The instructions for controlling a cell are contained within the __. Before a cell divides it makes an exact copy of the _.